earthquake ground motion

См. также в других словарях:

• Strong ground motion — Peak ground velocity redirects here. Seismologists usually define strong ground motion as the strong earthquake shaking that occurs close to (less than about 50 km from) a causative fault. The strength of the shaking involved in strong ground… …   Wikipedia

• Earthquake hazard zoning of India — The Indian subcontinent had a long history of devastating earthquakes. The major reason for the high frequency and intensity of the earthquakes is that India continues to drive into Asia at a rate of appromately 47 mm/year [ cite web title =… …   Wikipedia

• earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …   Universalium

• Earthquake — For other uses, see Earthquake (disambiguation). Global earthquake epicenters, 1963–1998 …   Wikipedia

• motion — 01. The [motion] of a moving car always makes me fall asleep when I m sitting in the back. 02. The little bunny stayed [motionless] in the tall grass until the hawk flew away. 03. Mae West once said that sex is an emotion in [motion]. 04.… …   Grammatical examples in English

• Earthquake warning system — An earthquake warning system is a system of accelerometers, communication, computers, and alarms that is devised for regional notification of a substantial earthquake while it is in progress. This is not the same as earthquake prediction, which… …   Wikipedia

• Earthquake location — The primary purpose of a seismometer is to locate the initiating points of earthquake hypocenters. The secondary purpose, of determining the size or Moment magnitude scale must be calculated after the precise location is known.The earliest… …   Wikipedia

• Peak ground acceleration — (PGA) is a measure of earthquake acceleration on the ground and an important input parameter for earthquake engineering, also known as the design basis earthquake ground motion (DBEGM)[1] Unlike the Richter and moment magnitude scales, it is not… …   Wikipedia

• Earthquake engineering — is the study of the behavior of buildings and structures subject to seismic loading. It is a subset of both structural and civil engineering.The main objectives of earthquake engineering are: * Understand the interaction between buildings or… …   Wikipedia

• motion picture — motion picture, adj. 1. a sequence of consecutive pictures of objects photographed in motion by a specially designed camera (motion picture camera) and thrown on a screen by a projector (motion picture projector) in such rapid succession as to… …   Universalium

• 1989 Loma Prieta earthquake — earthquake title= Loma Prieta earthquake date=October 17, 1989 magnitude=6.9 Mw depth=convert|18|km|mi|0 epicenter location=coord|37.04| 121.88) countries affected=United States (San Francisco Bay Area) location=Forest of Nisene Marks State Park …   Wikipedia